FastClient[.]exe

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General

Target

FastClient.exe
Size

4.1MB
MD5

302e4b1b933026d3128d4753f058b908
SHA1

35c62a74738fd3011678b1eebe902c1c47fb5a7f
SHA256

e560e2bfade028ac0b31d2118d16ad35a94a96c35bb8c7cf3c6fbd858ce737de
SHA512

cab9fdc56bf88e69e849a3f1d72f1774be07a28edb954123ef0984ed633782d3d59f4f08025fdf6d6a0884831660a9e0e62436ff53289726e59baac79681ce93
SSDEEP

49152:A6AmiTtbUIkz0/d0TGE2C7088tMlN4E1kjhodZdVkqnqYx8CycWOI9NB+38sflL7:A6TiTtY+l0yoBvfVqRcQNwzoGKqhO5e

Score

1^/10

Malware Config

Signatures

Files

FastClient.exe
.exe windows:5 windows x86 arch:x86

9bc7e7d8bc525af9a0fdb36dcc2f2f4a

Code Sign

0f:2d:d4:fc:52:0a:43:af:3c:d3:be:88:6b:68:3b:7f
Certificate

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

31/08/2020, 00:00

Not After

08/09/2022, 12:00

Subject

SERIALNUMBER=HRB 23076,CN=FastViewer GmbH,OU=Webcollaboration,O=FastViewer GmbH,L=München,ST=Bayern,C=DE,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.1=#0c094ec3bc726e62657267,1.3.6.1.4.1.311.60.2.1.2=#130642617965726e,1.3.6.1.4.1.311.60.2.1.3=#13024445

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18/04/2012, 12:00

Not After

18/04/2027, 12:00

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/01/2021, 00:00

Not After

06/01/2031, 00:00

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

07/01/2016, 12:00

Not After

07/01/2031, 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

75:bc:fd:13:64:04:e9:e0:6a:9e:80:ba:15:1e:ad:f9:02:0f:d3:ce:c5:c6:20:49:c0:c1:0e:bd:15:48:77:0e
Signer

Actual PE Digest

75:bc:fd:13:64:04:e9:e0:6a:9e:80:ba:15:1e:ad:f9:02:0f:d3:ce:c5:c6:20:49:c0:c1:0e:bd:15:48:77:0e

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

C:\GitlabRunner\builds\e5c76a72\0\FastViewer\build_win32_RelWithDebInfo\FastClient\RelWithDebInfo\FastClient.pdb

Imports

kernel32

LoadLibraryA
GetProcAddress
VirtualAlloc
VirtualFree

user32

GetLastActivePopup

uxtheme

GetWindowTheme

crypt32

CertFreeCertificateContext

shlwapi

PathRemoveFileSpecW

ws2_32

getsockopt

iphlpapi

GetAdaptersInfo

comctl32

ImageList_DragMove

mpr

WNetGetUserW

msimg32

AlphaBlend

avicap32

capCreateCaptureWindowW

winmm

waveInClose

msacm32

acmDriverOpen

wtsapi32

WTSFreeMemory

netapi32

NetQueryDisplayInformation

activeds

ord9

wininet

HttpQueryInfoW

winhttp

WinHttpConnect

oleacc

LresultFromObject

gdiplus

GdipBitmapLockBits

imm32

ImmGetContext

oledlg

ord8

gdi32

OffsetRgn

winspool.drv

DocumentPropertiesA

shell32

SHGetFileInfoW

ole32

OleSetMenuDescriptor

oleaut32

VariantInit

comdlg32

GetOpenFileNameW

advapi32

CreateProcessAsUserW

Sections

.text
Size: 3.5MB - Virtual size: 23.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 178KB - Virtual size: 180KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 512B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

9bc7e7d8bc525af9a0fdb36dcc2f2f4a

Code Sign

0f:2d:d4:fc:52:0a:43:af:3c:d3:be:88:6b:68:3b:7fCertificate

Extended Key Usages

Key Usages

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate

Extended Key Usages

Key Usages

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

75:bc:fd:13:64:04:e9:e0:6a:9e:80:ba:15:1e:ad:f9:02:0f:d3:ce:c5:c6:20:49:c0:c1:0e:bd:15:48:77:0eSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

uxtheme

crypt32

shlwapi

ws2_32

iphlpapi

comctl32

mpr

msimg32

avicap32

winmm

msacm32

wtsapi32

netapi32

activeds

wininet

winhttp

oleacc

gdiplus

imm32

oledlg

gdi32

winspool.drv

shell32

ole32

oleaut32

comdlg32

advapi32

Sections

.text Size: 3.5MB - Virtual size: 23.9MB

.rsrc Size: 178KB - Virtual size: 180KB

.reloc Size: 512B - Virtual size: 512B

0f:2d:d4:fc:52:0a:43:af:3c:d3:be:88:6b:68:3b:7f
Certificate

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

75:bc:fd:13:64:04:e9:e0:6a:9e:80:ba:15:1e:ad:f9:02:0f:d3:ce:c5:c6:20:49:c0:c1:0e:bd:15:48:77:0e
Signer

.text
Size: 3.5MB - Virtual size: 23.9MB

.rsrc
Size: 178KB - Virtual size: 180KB

.reloc
Size: 512B - Virtual size: 512B